Home / 105,445.56-158,162.66-26,559.64

Finding the Fourth Proportional to 105,445.56, 158,162.66 and 26,559.64

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Solution

The fourth proportional to 105,445.56, 158,162.66 and 26,559.64 is: 39,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,445.56 : 158,162.66 = 26,559.64 : x
  2. Step 2: Convert to fraction form
    105,445.56/158,162.66 = 26,559.64/x
  3. Step 3: Cross multiply
    105,445.56x = 158,162.66 × 26,559.64
  4. Step 4: Simplify right side
    105,445.56x = 4,200,743,311.04
  5. Step 5: Solve for x
    x = 4,200,743,311.04/105,445.56
  6. Step 6: Final answer
    x = 39,838.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.